Cobb-Douglas production function question

CFA Level II Economics
#1

From Kaplan:

AF
AF955×482 56 KB

AF1
AF1926×423 25.3 KB

None of the solutions in the explanation look like the Cobb-Douglas production function of:
Scan Dec 28, 20221024_1
Scan Dec 28, 20221024_11024×396 92.9 KB

What gives?